For example, according to US Geological Survey documents, between 1968 and 1973 the desertification-caused Sahel drought in Africa led to the deaths of up to a quarter of a million people and the collapse of the agricultural bases of five countries.
Will increasing CO2 levels in the atmosphere cause devastating fires, more powerful hurricanes, decreased land productivity, and inconceivable starvation? It may be hard to imagine that sort of future and even harder to accept that it may already be happening.
D. Brian Burghart is the editor of Reno News and Review. View the climate-change study at www.unlv.edu/Climate_Change_Research/NDFF/NDFF_index.html.
Comments, ideas, and submissions for Green City, the Guardian's weekly environmental column, can be sent to firstname.lastname@example.org.
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